Home / 290,383.38-400,733.73-163,056.24

Finding the Fourth Proportional to 290,383.38, 400,733.73 and 163,056.24

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Solution

The fourth proportional to 290,383.38, 400,733.73 and 163,056.24 is: 225,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,383.38 : 400,733.73 = 163,056.24 : x
  2. Step 2: Convert to fraction form
    290,383.38/400,733.73 = 163,056.24/x
  3. Step 3: Cross multiply
    290,383.38x = 400,733.73 × 163,056.24
  4. Step 4: Simplify right side
    290,383.38x = 65,342,135,254.98
  5. Step 5: Solve for x
    x = 65,342,135,254.98/290,383.38
  6. Step 6: Final answer
    x = 225,020.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.